Makita HM1213C Technical Information

P 6/ 17
Repair
[3] ASSEMBLY/ DISASSEMBLY
[3]-2. Impact bolt, Cylinder, Striker
DISASSEMBLING
Remove four M8x35 Hex socket head bolts and M5x25
Hex socket head bolt.
Housing cover and Barrel section can be separated from
Crank housing without disassembling Chuck mechanism.
Barrel section
Crank housing
Shoulder
sleeve
(1) Impact bolt can be disassembled as illustrated in Fig. 8.
(2) When O ring 23 (orange) shows through the worn Fluoride ring 28
as illustrated in Fig. 9, all the rings on Impact bolt have to be replaced.
Impact bolt
Rubber
ring 24
X ring 21
O ring 23
Fluoride ring 28
Impact bolt
Fig. 9
Housing cover
Insert Screwdriver through Tool holder cap and
strike Screwdriver. Impact bolt, two Shoulder
sleeves and Rubber ring 24 are removed.
Fig. 8
M8x35 Hex
socket head
bolt (4pcs.)
M5x25 Hex
socket head
bolt
Fig. 10
Strike the reverse side of Crank housing as illustrated
below.
Cylinder 40 can be removed from Crank housing.
(3) Disassemble Cylinder 40 from Crank housing, and take out Striker from Cylinder 40 as illustrated in Fig. 10.
O ring 31.5
Cylinder 40
One way
valve guide
Crank housing
Striker
Remove Striker from Cylinder 40 by
pushing out toward Impact bolt side.
O ring 35 can be removed from Striker.

Makita HM1213C Specifications

General

Input power	1500 W
Impact energy (max)	18.6 J
Vibration level (chiseling)	7 m/s²
Toolholder	18 mm
Impact rate	1900 bpm
Product color	Black, Blue

Weight and Dimensions

Depth	149 mm
Width	576 mm
Height	265 mm
Weight	10800 g